Nukes all around? A fraying U.S. nuclear umbrella is pushing allies to weigh defense options, raising risk of a proliferation cascade
A woman rolls a baby stroller past a replica of the Soviet RDS-4 nuclear bomb installed in memory of its creators in a park in Moscow on July 29, 2026. Alexander Nemenov | Afp | Getty Images For decades, allies worldwide rested in the comfort of the U.S. nuclear umbrella,…
bubmagAugust 19, 2026